<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form ref="form" :model="form" :rules="rulesObj">
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入用户名" ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" placeholder="请输入密码" type="password"></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input v-model="form.repassword" placeholder="请确认密码" type="password"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="onSubmit" class="btn-reg">立即注册</el-button>
          <el-link type="info" @click="$router.push('/login')">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  import {registerAPI} from "@/api"
  export default {
    name: "Register",
    methods:{
      onSubmit(){
        //js兜底校验
        this.$refs.form.validate(async valid=>{
          if(valid){//通过校验，拿到数据
            console.log(this.form)
            //解构赋值,把axios返回的数据赋值在res上
            const {data:res}= await registerAPI(this.form)
            console.log(res)
            //注册失败,提示用户
            //elementUI在vue原型上绑定了一个$message属性(弹窗属性)
            if(res.code!==0) return this.$message.error(res.message)
            //注册成功，提示
            this.$message.success(res.message)
            //跳转到登陆页面
            this.$router.push("/login")
          }else{
            return false //阻止默认提交行为，并且表单下面的红字会显示
          }
        })
      }
    },
    data(){
      var checkPass=(rule, value, callback)=>{
        if(this.form.password!==value){
          callback(new Error("两次输入密码不一致"))
        }else{
          callback()
        }
      }
      return{
        form:{
          username:"",
          password:"",
          repassword:""
        },
        rulesObj:{
          username:[
            {required:true,message:"请输入用户名",trigger:'blur'},
            { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10位的字母数字', trigger: 'blur' }
          ],
          password:[
            {required:true,message:"请输入密码",trigger:'blur'},
            { pattern: /^\S{6,15}$/, message: '密码必须是6-15位的非空字符', trigger: 'blur' }
          ],
          repassword:[
            {required:true,message:"请再次确认密码",trigger:'blur'},
            {validator:checkPass,trigger:'blur'}
          ]
        }
      }
    }
  }
</script>

<style scoped lang="less">
  .reg-container {
    background: url('../../assets/images/login_bg.jpg') center;
    background-size: cover;
    height: 100%;

    .reg-box {
      width: 400px;
      height: 335px;
      background-color: #fff;
      border-radius: 3px;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      padding: 0 30px;
      box-sizing: border-box;

      .title-box {
        height: 60px;
        background: url('../../assets/images/login_title.png') center no-repeat;
      }

      .btn-reg {
        width: 100%;
      }
    }
  }
</style>
